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This case study proposal explores using web-based tools for sharing symbology standards in mapping projects, focusing on flood-related emergencies. The study aims to evaluate the utility of the Symbol Store in developing GIS symbology standards for the California Department of Water Resources (DWR) and sharing symbols among different branches and agencies. Through interviews, tasks, and surveys, the project assesses the effectiveness of these tools and aims to gather valuable insights for improvements. Future research possibilities include inter-agency symbol sharing and assessing tool functionality for developing GIS standards.
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Using Web-Based Tools to Share Symbology: A Case Study with Mapmakers from the California Department of Water Resources Capstone Project Proposal by Sarah Troedson Spring 2011
Introduction • Background • Research Objectives • Methods • Significance and Limitations • Summary
Introduction • Maps are a critical form of communication in Emergency Management • Analytical tool • Aid to developing a Common Operational Picture (COP) • Tasks are time sensitive: standards can save lives and property • Standards also make collaboration among agencies more efficient
Introduction • Few existing map symbology standards at the federal level (Homeland Security Working Group, 2005; Dymon 2003) • National Response Framework (2008) does not list flooding as a type of emergency • Existing federal standards inadequate for the California Department of Water Resources (DWR)
Background • The main locations of flooding in California are: • Central Valley • coastal areas • high desert areas
Background • Flooding side effect of another hazard but most often due to weather patterns • Levees old and often poorly maintained • Flooding can be predicted but depends on • certainty of the weather forecast • condition of the levees
Background • DWR and the United States Army Corps of Engineers (USACE) share jurisdiction over many of the levees • Many of the levees were built by USACE • Nearly all are maintained by local agencies and special districts, coordinating with DWR • Not all meet FEMA levee certification standards (FEMA 2010, Pineda 2007) • Multi-layer responsibility argues strongly for a single mapping standard • DWR does not yet have any GIS standards
Background • DWR created a GIS Subcommittee to develop standards • DWR lacks support tools to develop and refine standard symbology • The GeoVISTA center at Penn State is designing two tools that can help • E-Symbology Portal - a set of web tools designed to help groups collaborate to develop and refine symbol standards • Symbol Store - a web tool designed to help users search for, retrieve, and share their symbols • The focus of this work is on the Symbol Store
Research Objectives • Evaluate the Symbol Store’s utility as an aid for developing DWR’s GIS Standard Symbology • Assess the utility of the Symbol Store in everyday work flow for all DWR’s GIS staff • Determine effectiveness of the Symbol Store for sharing symbols among different branches of DWR • Extrapolate potential to use these tools to share symbols among different agencies
Methods • Part 1: Semi-structured interviews • Work flow • Plans to develop their GIS Symbology Standards • Previous attempts to share GIS symbology • Part 2: Building on results from Part 1, • Create instructions for basic use of the e-Symbology Portal and Symbol Store • Create sample tasks for the study participants to complete • Create survey to assess their experience
Methods • Part 3: The study participants work through sample tasks and online survey • Part 4: Compile survey results, discuss with participants • Part 5: Compile all results and provide to developers of e-Symbology Portal and Symbol Store.
Methods • This is intended to be a formative evaluation (Robinson et al. 2005) of the utility of the Symbol Store.
Significance and Limitations • Intended to: Provide valuable insights on • How symbology standards are disseminated and re-used • How tools like the Symbol Store can best assist • Intended to: Gather critiques and recommendations for changes to features of the tools • Not intended to: constitute a best practices recommendation • Not intended to: be a complete overview for DWR
Significance and Limitations • Future research possibilities include: • Additional iterations of evaluation work with DWR testers • Evaluating the Symbol Store for inter-agency and multi-agency symbol sharing • Evaluating the tools for developing inter-agency GIS standards • Adding capacity for line and polygon symbols to the Symbol Store • Further evaluation once additional functionality is in place
Summary • Based on the need for standard symbology for flooding and flood-related emergencies in California, DWR GIS staff will test the e-Symbology Portal and Symbol Store to assist in developing their GIS standards. • This project will include: • Creation of testing scenario • Creation of evaluation survey questions • Interviews with the participants • Compilation and presentation of all results
References • Boggs, Christina (2011) Personal communication, co-leader GIS Warm Wash Meeting in response to Golden Guardian Exercise, 1 June 2011 • Cal-Atlas Geospatial Clearinghouse (2010) http://atlas.ca.gov/download.html various data sets accessed over the last 2-3 years with varying publication dates, often modified in-house by GEI Consultants, Inc. GIS staff. • California Department of Water Resources, California Levee Database (2011) version 2.2, revision 2, January 28, 2011, used with permission, file geodatabase format • California Department of Water Resources (DWR 2011) “Levee Repair – Levee Evaluation Program” http://www.water.ca.gov/levees/evaluation/ accessed June 2011 • California Department of Water Resources (DWR 2010) “Levee Repair – History of Levees” http://www.water.ca.gov/levees/history/ accessed November, 2010. • California Department of Water Resources Division of Flood Management (DWR DFM 2011) report on “DWR Golden Guardian FY 2011 Flood Emergency Exercise” draft, prepared by Brian Smith and Nova Clemenza • California Emergency Management Agency (2010) “Standardized Emergency Management System-SEMS” Sacramento, CA, http://www.oes.ca.gov/WebPage/oeswebsite.nsf/Content/7386D576C12F26F488257417006C07A7?OpenDocument accessed June, 2011 • California Interagency Watershed Mapping Committee, California Department of Water Resources, Calwater Version 2.2.1 (2004), shapefile format extracted from original interchange file distribution • Cova, T J (1999) “GIS in emergency management” Geographical Information Systems: Principles, Techniques, Applications and Management, P.A. Longley et al Editors, John Wiley & Sons, New York, 845-858 • Department of Homeland Security (2008) “National Response Framework” Washington, DC, http://www.fema.gov/pdf/emergency/nrf/nrf-core.pdf accessed June, 2011 • Dymon, Ute J. (2003) “An analysis of emergency map symbology” International Journal of Emergency Management, Vol. 1, No. 3, 227-237 Inderscience Enterprises Ltd. • Federal Emergency Management Agency (FEMA 2010) “Levees – Frequently Asked Questions” Washington, DC http://www.fema.gov/plan/prevent/fhm/st_broomelv.shtm accessed June 2011 • Homeland Security Working Group (2005) Symbology Reference http://www.fgdc.gov/HSWG/index.html accessed June 2011 • Matteoli, Jaime (2011) Personal communication, co-leader GIS Warm Wash Meeting in response to Golden Guardian Exercise, 1 June 2011 • Pineda, Ricardo (2007) “Cataloging California’s River Levee System” Stormwater: The Journal for Surface Water Quality Professionals, May issue, http://www.stormh2o.com/may-2007/flood-river-levee.aspx accessed June 2011 • Radke, John, et al. (2000) “Application Challenges for Geographic Information Science: Implications for Research, Education, and Policy for Emergency Preparedness and Response”, URISA Journal, Vol. 12, No. 2 Spring • Robinson, Anthony, et. al (2005) “Combining Usability Techniques to Design Geovisualization Tools for Epidemiology” Cartography and Geographic Information Science Vol. 32, no.2, 243-255 • Robinson, Anthony, et al. (2010) “A Web Based Symbol Store for Sharing Map Symbology” Proceedings of the NACIS 2010 Annual Meeting • Roth, Robert E., et al. (2011) “Card Sorting for Cartographic Research and Practice” CaGIS